1. Work ability and the social insurance safety net in the years prior to retirement Publication: Chestnut Hill, MA : Center for Retirement Research at Boston College, c2009 Subject(s): EmploymentGovernment Programs -- economicsInsurance, Disability -- economicsPublic Assistance -- economicsRetirement -- economicsSocial Security -- economicsWorkers' CompensationAge FactorsDisabled PersonsEligibility DeterminationMiddle AgedPoverty -- economicsSeverity of Illness IndexSocioeconomic FactorsHumansUnited StatesUnited States. Social Security Administration.